K&N parts matching BMW 137178507320 air filter

The BMW 137178507320 air filter cross references with the K&N air filter parts below. K&N offers compatible air filters for many BMW air filters giving you an alternative.
ProductPart NumberProduct Image 
K&N Replacement Air Filter
  • Designed to Increase Power
  • Million Mile Limited Warranty
Tobias Reich, Euskirchen, Germany
Top Qualität, Top Performance, besser als der Original-Filter
Cris Weed, Eugene, Oregon
I have been purchasing K&N filters for my cars for the last 24 yrs. and have never been disappointed. They perform as advertised and are reasonably priced. Buying them online is very easy and convenient and delivered on time. As a matter of fact, as soon as I finish this message I am ordering one for my new Jeep.
Haroun, Sheffield, London
Very Fast Delivery & Great Item, Can Feel The Difference Instantly.
33-2990 K&N 33-2990 Replacement Air Filter
List Price: $78.29
Your Price: $49.99